Some metals are found in their native status, that is, uncombined with other elements.
有些金属是以天然状态存在得, 即不与其他元素化合。
Some metals are found in their native status, that is, uncombined with other elements.
有些金属是以天然状态存在的, 即不与其他元素化合。
Iridium probably does not occur uncombined in nature but it is found in natural alloys with other noble metals.
自然界中可能不存在纯铱，通常和其它贵金属共生于天然合金中。
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